{
  "TCTYP_X": "RA---TAN",
  "TCTYP_Y": "DEC--TAN",
  "TCRPX_X": 640.5,
  "TCRPX_Y": 640.5,
  "TCRVL_X": 184.852997,
  "TCRVL_Y": 47.34,
  "TCDLT_X": -0.000442,
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  "TCUNI_X": null,
  "TCUNI_Y": null,
  "RA_PNT": 184.886398,
  "DEC_PNT": 47.339806,
  "TSTART": 125059214.5693603,
  "TSTOP": 125119214.5693603,
  "OBJECT": "NGC4258_N3",
  "OBSERVER": "YOSHITAKA ISHISAKI",
  "DATE-OBS": "18/12/96",
  "DATE-END": "19/12/96"
}